Improvement in stop-motion for braiding-machines



EDMOND W. DEAN, OFLNORWLQH, GONNEGTIGUT.

Letters Patent No. 106,672, dated .August 23, '1870.

IMPROVEMENT IN STOP-MOTIONFOR BRAIDING--l/.I-LGHIIIESi.`

vThe Schedule referred to in these Letters Patent nd mak-ing part of the same I, EDMOND W. DEAN, of Norwich,iu the count-y New London and State of Connecticut, have invented certain .Improvements in the Stop -'Motiou of Machines for Winding Braid and other Fabrics, of which .the following is a specification.

' The -natlire of m55 invent-ion consists in the employment of springs and stops, of 'peculiar construction and arrangement, combined with the sliding bars andan adjustable worm, and other devices herein-V after fully shown and described, the object being to secure uniformityT of length of the braid wound upon themachine.

vIn the drawing- Figure l is an elevation of my improvedmachine.

Figure 2 is a vertical section through the line Figure v3 is a section ofthe worm/1.

Figures 4, 5, 6, 7, and 8, are views of the sliding barj, the protector k, and cushion o.

Figures 9, l0, ll, and 12 are stop and spring hereafter described.

Figures 13 and'M vare views of the worm-gear t. l Figures 15, 16,17, and l8are views of the change spring and stop. l The same marks-of reference indicate similar parts in each gure.

a. represents thc bed, which supports the "whole .structurel b and if arestands, which support the shaft d and,` barsj and q. Y

c is the reel upon which the braid is wound. It

maybeisecu-red to the shaft in any convenient mannel.

`flhe driving-pulley e' and the worm hare upon this shaft, ll, as shown.

'lhcwvorm' his secured to thc shaft bythe stud 4 engaging one of the slots15'5 5, and by' means oi' these several slots the worm may hc placed in any required position.

The bearings j, of the shaft d, are made and arrangedin any convenient, manner, but so as to be 'adjustable vertically.

'i is the worn1-gear, supported by the stand i', and workingr into the wormh.

This worm-gear maybe of any desirable size, or any number oi' gears may be made, ready for required cranges, for varying the lengths of braid, and, when the size ofthe gear is changed, the shaft d should be raised or lowered accordingly.

There are several pins, 2,'projecting from the face of the worm-gear, at equal radial distances. Y

,j is thc stopping-har, and is made oi' wood or otherlight material.

The protector It is made of metal, and secured to the bar, and rounded at the top, the'oack side reaching back into the s tand b, so as to prevent thevbnr from wearing in the bcaringby the action ofthe reel. 0 is a leather or ot'lzcnelastic cushion, attached to the barj, by means of the dovetai. piece a, (seegs.

7 and 8.)

l is a spring, attached to the upper edge of the bar j, and has upou its lower side and at one end, an angle piece, l', (see figs. l() and 12.)

m is a beveled stop, (see gs.' 1, 9, and '11,) attached to the stand b,aud so arranged that, when the bar j is Ythrown' back, the end of the spring will. slide over the `stop,.aud drop down, so as t-o prevent the bar from returning to its former position.

WVhen the springr is disengaged fromfthe stop, the spiral spring p will throw the bar into aposition which will arrest thc motion of the rrel, as shown. .q is the changing-bar, and

Iu, theloop, through which the braid runs -to.the reel.

s is the change spring, attached to the4 upper edge of l:hev bar q.

t is-a stop forholding the change-har to the right, and is attached t0 the stand b, (see iig. l.)

Whcn the spring s is pressed down, the' spiral spring 3 will throw the changing-bar to the left; the slot and pin fr will prevent its moving too far either way.

e lis the shipper attached to the bar j.

-The operation of my iuventionis as follows:

The-cud of the braid is pressed through the loop ur, and attached to one ofthe needles Ll/,and the har j pressed hack until caught by`the spring t, disengaging the reel from the protector, the shipper e at the same time carrying the `driving-belt upon the tight'pulley, and starting the m'tchine in the direction indicated bythe arrows.

As the winding proceeds, the worm It causes the worm-gcar 'i to revolve, and, when the reel is half full, one of the pins, 2, will press down the lspring s, disengaging it, from the stop t, when the bar q will move to the left, the loop u carrying the braid there# quired distance.

When the required length is.wound upon the reel, one of the pins, 2, will press de wn the spring l,- disengaging it from the stop m, the spriugp, carrying the bar j tothe left, shippingoff the driving-beit, and stoppingthe machine, the protector-Ja, at the same time,preventing the momentum from carrying the reel .too far.

The worm h should be adjusted by placing the stud 4in' one of the slots, `5, which will disengage the spring l at the Aproper point, beforethe arm of the reel reaches the protector, so that the length of braid wound will be uniform.

The position of this worm uponA the shaft will vary 8, the stops m and t, the adjustable worm 71the with braid of differentthickness, therefore the neoeswoningwr, and the cushion o, the .whole beingxcon sity of having several slots. strueted, arranged, and operated in the manner snb- The cushion o will relieve the hztrj from much of stantially as :md for the purpose described. the force of concussion when stopping the reel. Norwich, Mare-l1 9, 1870.

'lhe teeth ofthe worm- Yenr :ire lnot shown iu figs. EDMOND \V. DEAN.' l and 2, but will be readily understood upon reference tong.l 13. Witnesses:

I claim as my invention- J. B. FULLER,

The bznsj and q,'the protector k, the springs l'aud A. S. ELKINS. 

